Exercise mat



FIG. 1 is a perspective view of an exercise mat;

FIG. 2 is a top view of the exercise mat shown in FIG. 1;

FIG. 3 is a bottom view of the exercise mat shown in FIG. 1;

FIG. 4 is a right side view of the exercise mat shown in FIG. 1; and,

FIG. 5 is front view of the exercise mat shown in FIG. 1.

The right side view and the left side view are identical. The front view and the rear view are identical. The top surface of the design is a continuous flat and planar surface and has no recesses or depressions. 

CLAIM The ornamental design for an exercise mat, as shown and described. 